Paleontology

Evolution

The origin of the butterfly

Studies based on gene and fossil analysis estimate that butterflies emerged between 120 and 100 million years ago

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Paleontology

The horned crocodile of Acre

New fossil belonged to the 31st known species of a group of reptiles that lived in South America between 23 million and 5 million years ago

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Video

Dinosaurs probably originated in Southern Brazil

Paleontologists talk about characteristics and origins of dinos | 10'59"

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paleontology

225-million-year-old long-necked dinosaurs

The fossils of three specimens of a new genus and species of herbivorous dinosaur have been found in the state of Rio Grande do Sul

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Paleontology

The gregarious habits of an herbivorous reptile

Researchers from the Brazilian state of Rio Grande do Sul found an assemblage of fossils from at least six different Dinodontosaurus individuals

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PALEONTOLOGY

Fossils on the move

3D reconstructions highlight new characteristics of crocodiles and dinosaurs that lived millions of years ago in Brazil

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Photolab

Brazil’s National Museum in Quinta da Boa Vista

Brazil’s National Museum in Quinta da Boa Vista, Rio de Janeiro September 3, 2018

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Paleontology

Evidence of the union of two supercontinents

Calcareous rocks in the northeastern state of Maranhão contain fossil records of the oldest plant groups in Brazil

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Paleontology

Rare dinosaur sold for €1.13 million

An auction lead to a discussion about the recent trend of treating fossils as works of art

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Paleontology

The first beaked bird

A bird that lived between 95 million and 84 million years ago is helping scientists learn how the beak evolved

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GEOLOGY

The rain that united two forests

Periods of heavy rainfall between 120,000 and 12,000 years ago may have connected the Atlantic Forest to the Amazon

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COVER

More people in the rainforest

New archaeological sites and evidence of plant domestication support the idea that pre-Columbian Amazonia was densely populated

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GEOSCIENCES

Scars of a cataclysm in Central Brazil

Rocks found in the states of Mato Grosso, Goiás, and São Paulo reveal earthquake and tsunami caused by a meteorite some 250 million years ago

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Paleontology

Shelter for giants

Extinct for 10,000 years, ground sloths and giant armadillos may have built the largest paleoburrows ever discovered on Earth

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paleontology

Pterosaurs were born unable to fly

Pterosaurs were born unable to fly

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paleontology

Fossils on the move

3D reconstructions highlight new characteristics of dinosaurs

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PALEOBIOLOGY

More than met the eye

Fossilized burrows suggest complex organisms arose before the Cambrian

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photolab

The Pampas under the microscope

The Pampas under the microscope

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archaeology

Disappearance of megafauna from Lagoa Santa

Disappearance of megafauna from Lagoa Santa

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careers

Dr. Bone Collector

Orthopedist Herculano Alvarenga became a paleontology specialist

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Geology

Ocean reefs may have emerged 20 million years earlier than previously thought

Ocean reefs may have emerged 20 million years earlier than previously thought

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Paleontology

Bacteria that preserve fossils

The action of microorganisms may help preserve fragments of soft tissue

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PALEONTOLOGY

Reptile controversy

Proposal alters the genealogical tree of dinosaurs and divides experts

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archaeology

Bones removed from a mastodon suggest that there were hominids in California 130,000 years ago

Bones suggest that there were hominids in California 130,000 years ago

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Paleontology

Animals of Paraná

Fossils indicate the existence of fauna that lived 40 million years ago

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Paleontology

Reclassifying Dinosaurs

New proposal rearranges several dinosaurs on the family tree

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Archaeology

The peoples of Lagoa Santa

Human burial sites in Minas Gerais reveal a succession of customs from 10,000 to 8,000 years ago

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PALEONTOLOGY

The golden age of the cynodonts

Species first discovered in Africa, and now in Brazil, lived during the peak of diversity of mammal precursors

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PALEONTOLOGY

Shelter for giants

Paleoburrows in Minas Gerais may have been built by primitive ground sloths

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Paleontology

Dinosaur feathers preserved in amber

Amber preserved the feathered tail of a small dinosaur

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